As LeBron James starts to move along in his record 23rd NBA season and nears his 41st birthday, it’s gradually becoming evident that he’s still largely the same type of superstar he has been for the last two decades.

After missing the Los Angeles Lakers‘ first 14 games of this season due to sciatica, he took a little while to get into game shape, like a 2003 Ford Mustang that hadn’t been started in a month and has some trouble turning over after its ignition has been cranked. But in recent days, he has started to look spry again.

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On Sunday against the Philadelphia 76ers, he scored 29 points on 12-of-17 shooting, and in Wednesday’s Emirates NBA Cup semifinal versus the San Antonio Spurs, he made half of his 14 shot attempts and had 15 rebounds, eight assists and three steals. While he scored a modest 19 points on Wednesday, he looked as mobile as usual, especially in the open court, and he even threw down a thunderous dunk in transition that got the crowd at Crypto.com Arena excited.

James has pushed the boundaries when it comes to sports longevity and playing at an elite level at an advanced age, and there’s no telling how much longer his longevity could last. In a recent interview with the website Video Gamer, Hall of Fame center Alonzo Mourning mentioned James in the same breath as Tom Brady, the legendary NFL quarterback whom most consider the greatest player in football history.

“Nobody’s done it the way he’s done it, ever,” says Mourning of James. “Scoring leader in our history, and for him to play the most games, the most years, kinda speaks to his longevity. It speaks to how well he takes care of his body, how well he’s invested into his body. Kind of speaks to all of that.

“I think this is all entertaining to us to see somebody at his age do it the way he’s doing it, because it’s very rare. You think about the great ones — you think about Tom Brady, you think about Tiger [Woods] — that really did it at ages where people wouldn’t expect them to excel, and LeBron is put in that category for sure.”

Brady, as most know, played 23 seasons in the NFL, was named to the Pro Bowl 15 times, won three league MVP awards and took home seven Super Bowl championships while becoming the all-time leader in passing yards and touchdowns. As he got deeper into his 30s, people waited for him to show definite signs of aging, but he continued to excel and consistently put up over 4,000 passing yards a season while often keeping his passer rating over 100.

He won two of his Vince Lombardi Trophies when he was in his 40s, which is mind-boggling when one truly thinks about it.

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The common denominator between the longevity of Brady and James is how diligently they have taken care of their bodies. Brady had his renowned “TB12 method,” which is based on not just diet but also flexibility, while James makes getting over eight hours of sleep a night non-negotiable and reportedly invests at least $1 million a year to keep his body right.

This article originally appeared on LeBron Wire: Alonzo Mourning compares LeBron James to Tom Brady